In the normal individual in the upright position, the:I. upp…

In the normal individual in the upright position, the:I. upper lung regions receive less ventilation than the lower lung regionII. lower lung regions receive more blood flow than the upper lung regionsIII. upper lung regions receive more ventilation then the lower lung regionsIV. lower lung regions receive less blood flow than the upper lung regions

The respiratory center of the medulla __________________.I….

The respiratory center of the medulla __________________.I. contains two distinct groups of respiratory neuronsII. maintains normal rhythmic pattern of ventilationIII. is highly affected by hydrogen ion concentrationIV. consists of the penumotaxic centerV. results in abnormal breathing patterns such as apneusis